PowerControllerInterface.h

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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */

#ifndef ALEXA_CLIENT_SDK_AVSCOMMON_SDKINTERFACES_INCLUDE_AVSCOMMON_SDKINTERFACES_POWERCONTROLLER_POWERCONTROLLERINTERFACE_H_
#define ALEXA_CLIENT_SDK_AVSCOMMON_SDKINTERFACES_INCLUDE_AVSCOMMON_SDKINTERFACES_POWERCONTROLLER_POWERCONTROLLERINTERFACE_H_

#include <AVSCommon/AVS/AlexaResponseType.h>
#include <AVSCommon/SDKInterfaces/AlexaStateChangeCauseType.h>
#include <AVSCommon/SDKInterfaces/PowerController/PowerControllerObserverInterface.h>
#include <AVSCommon/Utils/Optional.h>

namespace alexaClientSDK {
namespace avsCommon {
namespace sdkInterfaces {
namespace powerController {

class PowerControllerInterface {
public:
    using PowerState = avsCommon::sdkInterfaces::powerController::PowerControllerObserverInterface::PowerState;

    virtual ~PowerControllerInterface() = default;

    virtual std::pair<avsCommon::avs::AlexaResponseType, std::string> setPowerState(
        bool powerState,
        AlexaStateChangeCauseType cause) = 0;

    virtual std::pair<avsCommon::avs::AlexaResponseType, utils::Optional<PowerState>> getPowerState() = 0;

    virtual bool addObserver(std::shared_ptr<PowerControllerObserverInterface> observer) = 0;

    virtual void removeObserver(const std::shared_ptr<PowerControllerObserverInterface>& observer) = 0;
};

}  // namespace powerController
}  // namespace sdkInterfaces
}  // namespace avsCommon
}  // namespace alexaClientSDK

#endif  // ALEXA_CLIENT_SDK_AVSCOMMON_SDKINTERFACES_INCLUDE_AVSCOMMON_SDKINTERFACES_POWERCONTROLLER_POWERCONTROLLERINTERFACE_H_